When compiling C or C++ code, the compiler needs to locate the header files referenced in the source files using #include directives. These headers can come from the standard library...

The lurk is an open-source command line tool developed in Rust programming language, designed as a simpler and more user-friendly alternative to strace. It enables users to trace and log...

The jwt-cli is a command line tool used to create, decode, verify, and inspect JSON Web Tokens (JWTs). It's especially useful for developers working with JWT-based authentication systems who want...

In performance-critical applications such as scientific computing, graphics, game development, or data processing, converting large arrays of floating-point numbers to integers is a common operation. While a basic scalar loop...

When working with numerical data, a common task is to convert arrays of integers into arrays of floating-point numbers. Although the basic scalar approach works perfectly fine, it may not...

The nvme-cli is a command line tool used to manage and interact with NVMe (Non-Volatile Memory Express) storage devices - like NVMe SSDs - on Linux systems. It gives you...

When working with Linux systems - especially when dealing with performance tuning, hardware compatibility, or security updates - it can be important to know which microcode version the CPU is...

When you're optimizing code for performance, especially in C or C++, using compiler options like -march=native can significantly boost speed by enabling all the SIMD instruction sets and CPU-specific optimizations...

When building modern C or C++ projects, it's common to want to use the latest compiler features and optimizations. But not all compilers - or even versions of the same...

The cpuid is a command line tool that lets you query and display detailed CPU information directly from the CPUID instruction - without needing to write any code. This tutorial...